include/asm-arm/arch-rpc/hardware.h

   1 /*
   2  *  linux/include/asm-arm/arch-rpc/hardware.h
   3  *
   4  *  Copyright (C) 1996-1999 Russell King.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  This file contains the hardware definitions of the RiscPC series machines.
  11  */
  12 #ifndef __ASM_ARCH_HARDWARE_H
  13 #define __ASM_ARCH_HARDWARE_H
  14
  15 #include <asm/arch/memory.h>
  16
  17 #ifndef __ASSEMBLY__
  18 #define IOMEM(x) ((void __iomem *)(x))
  19 #else
  20 #define IOMEM(x) x
  21 #endif /* __ASSEMBLY__ */
  22
  23 /*
  24  * What hardware must be present
  25  */
  26 #define HAS_IOMD
  27 #define HAS_VIDC20
  28
  29 /* Hardware addresses of major areas.
  30  *  *_START is the physical address
  31  *  *_SIZE  is the size of the region
  32  *  *_BASE  is the virtual address
  33  */
  34 #define RAM_SIZE                0x10000000
  35 #define RAM_START               0x10000000
  36
  37 #define EASI_SIZE               0x08000000      /* EASI I/O */
  38 #define EASI_START              0x08000000
  39 #define EASI_BASE               0xe5000000
  40
  41 #define IO_START                0x03000000      /* I/O */
  42 #define IO_SIZE                 0x01000000
  43 #define IO_BASE                 IOMEM(0xe0000000)
  44
  45 #define SCREEN_START            0x02000000      /* VRAM */
  46 #define SCREEN_END              0xdfc00000
  47 #define SCREEN_BASE             0xdf800000
  48
  49 #define FLUSH_BASE              0xdf000000
  50 #define UNCACHEABLE_ADDR        0xdf010000
  51
  52 /*
  53  * IO Addresses
  54  */
  55 #define VIDC_BASE               (void __iomem *)0xe0400000
  56 #define EXPMASK_BASE            0xe0360000
  57 #define IOMD_BASE               IOMEM(0xe0200000)
  58 #define IOC_BASE                IOMEM(0xe0200000)
  59 #define PCIO_BASE               IOMEM(0xe0010000)
  60 #define FLOPPYDMA_BASE          IOMEM(0xe002a000)
  61
  62 #define FLUSH_BASE_PHYS         0x00000000      /* ROM */
  63
  64 #define vidc_writel(val)        __raw_writel(val, VIDC_BASE)
  65
  66 #define IO_EC_EASI_BASE         0x81400000
  67 #define IO_EC_IOC4_BASE         0x8009c000
  68 #define IO_EC_IOC_BASE          0x80090000
  69 #define IO_EC_MEMC8_BASE        0x8000ac00
  70 #define IO_EC_MEMC_BASE         0x80000000
  71
  72 #define NETSLOT_BASE            0x0302b000
  73 #define NETSLOT_SIZE            0x00001000
  74
  75 #define PODSLOT_IOC0_BASE       0x03240000
  76 #define PODSLOT_IOC4_BASE       0x03270000
  77 #define PODSLOT_IOC_SIZE        (1 << 14)
  78 #define PODSLOT_MEMC_BASE       0x03000000
  79 #define PODSLOT_MEMC_SIZE       (1 << 14)
  80 #define PODSLOT_EASI_BASE       0x08000000
  81 #define PODSLOT_EASI_SIZE       (1 << 24)
  82
  83 #define EXPMASK_STATUS          (EXPMASK_BASE + 0x00)
  84 #define EXPMASK_ENABLE          (EXPMASK_BASE + 0x04)
  85
  86 #endif